• New representations of focal curves in the special o−Ricci symmetric Para-Sasakian Manifold P 

  Körpinar, Talat; Turhan, Essin (2011-10-20)

  In this paper, we study matrix representations of focal curves in terms of biharmonic curves in the special three-dimensional o−Ricci symmetric para-Sasakian manifold P. We construct new parametric equations of focal curves ...

• Frenet equations of biharmonic curves in terms of exponential maps in the special 3-dimensional Kenmotsu manifold 

  Körpinar, Talat; Ergüt, Mahmut; Turhan, Essin (2011-10-20)

  In this article, we study matrix representation of biharmonic curves in 3-dimensional Kenmotsu manifold. We characterize Frenet frame of the biharmonic curves in terms of their curvature and torsion in special 3-dimensional ...

• Matrix representation for involute curves of biharmonic curves in terms of exponential maps in the special three-dimensional o-Ricci Symmetric Para-Sasakian Manifold P 

  Körpinar, Talat; Turhan, Essin; Asil, Vedat (2011-10-20)

  In this paper, we study involute curve of biharmonic curve in the special three-dimensional o-Ricci symmetric para-Sasakian manifold P. We obtain matrix representation for involute curve of biharmonic curve in terms of ...

• New inextensible flows of tangent developable surfaces in Euclidian 3-space E3 

  Körpinar, Talat; Altay, Gülden; Turhan, Essin (2011-10-20)

  In this paper, we study inextensible flows of tangent developable surfaces in Euclidean 3-space E3. We obtain results for minimal tangent developable surfaces in Euclidean 3-space E3.

• Frenet equations of biharmonic curves in terms of exponential maps in the special three-dimensional o-Ricci symmetric para-sasakian manifold P 

  Körpinar, Talat; Turhan, Essin; Asil, Vedat (2011-10-17)

  In this paper, we study biharmonic curves in the special three-dimensional o-Ricci Symmetric Para-Sasakian Manifold P. Moreover, we construct matrix representation of biharmonic curves in terms of exponential maps in the ...

• A study of certain new subclasses defined in the space of analytic functions 

  Faisal, Imran; Darus, Maslina; Siregar, Saibah (2011-10-17)

  An attempt has been made to introduce certain new subclasses of analytic function bounds by some differential operator also define in the space of analytic functions. We study and investigate various inclusion properties ...

• Application of a new family of functions on the space of analytic functions 

  Faisal, Imran; Darus, Maslina (2011-10-17)

  In this paper we investigate a family of integral operators defined on the space of analytic functions. By making use of these novel integral operators we give some applications of the new families of analytic functions ...

• Dual spacelike elastic biharmonic curves with spacelike principal normal according to dual Bishop frames D3 1 

  Körpinar, Talat; Turhan, Essin; Ergüt, Mahmut (2011-10-17)

  In this paper, we study dual spacelike elastic biharmonic curves with spacelike principal normal in dual Lorentzian space D3 1.

• Comments on differentiable over function of split quaternions 

  Masrouri, Naser; Yayli, Yusuf; Faroughi, M. H.; Mirshafizadeh, M. (2011-10-17)

  The theory of mathematical analysis over split quaternions is formulated in a closest possible analogy to the usual theory of analytic functions of a complex variable. After reviewing split quaternion algebra via an ...

• Linear operator defined by lambda function for certain analytic functions 

  Afaf A. Ali Abubaker; Darus, Maslina (SABER-ULA, Venezuela, 2011-07)

  For analytic function f in the open unit disc U, a linear operator defined by lambda function is introduced. The object of the present paper is to discuss some properties for I¹;sf(z) belonging to some classes by applying ...

• A study of meromorphically starlike and convex functions 

  Faisal, Imran; Khan, Ashfaq (SABER-ULA, Venezuela, 2011-07)

  In the present paper we introduce and study certain new subclasses of starlike and convex functions in the domain of meromorphic functions. Moreover we discuss coefficient inequalities, growth and distortion theorems, radii ...

• A study of a new subclass of multivalent analytic functions 

  Faisal, Imran; Shareef, Zahid; Darus, Maslina (SABER-ULA, Venezuela, 2011-06-30)

  After introducing a new linear differential operator, we introduce and study certain new subclasses of analytic and multivalent functions in the open unit disk. Some inclusion relationships also discussed in particular ...

• Spacelike biharmonic general helices with timelike normal in the lorentzian group of rigid motions E(2) 

  Körpinar, Talat; Ergüt, Mahmut; Turhan, Essin (SABER-ULA, Venezuela, 2011-06-30)

  In this paper, we study spacelike biharmonic general helices in the Lorentzian group of rigid motions E(2). We characterize the spacelike biharmonic general helices in terms of their curvature and torsion in the Lorentzian ...

• On characterization bertrand mate of timelike biharmonic curves in the lorentzian Heis3 

  Körpinar, Talat; Turhan, Essin; Jebril, Iqbal H. (SABER-ULA, Venezuela, 2011-06-30)

  In this paper, we study non-geodesic timelike biharmonic curves and we construct parametric equations for Bertrand mate of timelike biharmonic curves in the Lorentzian Heisenberg group Heis

• Characterization inextensible flows of developable surfaces associated focal curve of spacelike curve with timelike binormal in E31 

  Körpinar, Talat; Altay, Gülden; Turhan, Essin (SABER-ULA, Venezuela, 2011-06-30)

  In this paper, we study inextensible flows of developable surfaces associated with focal curves of spacelike curves with timelike binormal in Minkowski 3-space E3 1 . We show that if flow of this developable surface is ...

• Inclusion properties of certain subclasses of analytic functions 

  Darus, Maslina; Faisal, Imran (SABER-ULA, Venezuela, 2011-06-30)

  The purpose of the present paper is to introduce several new classes of analytic functions and investigate various inclusion properties of these classes. Some interesting applications of integral operators are also considered.

• Special motions for spacelike curve in Minkowski 3-space 

  Masrouri, Naser; Yayli, Yusuf (SABER-ULA, Venezuela, 2011-06-30)

  Existence of acceleration pole points in special Frenet and Bishop motions for spacelike curve with a spacelike binormal in Minkowski 3-space E31 are dependence into that, the curve ® is not a general helix or planar. The ...

• Mathematical modeling in decision making process under conditions of uncertainty in human resources training and development 

  Rotarescu, Eugen (SABER-ULA, Venezuela, 2011-06-30)

  The aim of this paper is the applying, in a particular case of human resources training and development, of some mathematical models of decision making under conditions of uncertainty. The models are also known in other ...

• On characterization inextensible flows of curves according to Bishop frame in E³. 

  Körpinar, Talat; Asil, Vedat; Bas, Selçuk (SABER-ULA, Venezuela, 2011-06-30)

  In this paper, we study inextensible flows of curves in E3: We research inextensible flows of curves according to Bishop frame in E3:

• Evolute curves of biharmonic curves in the special three-dimensional Ø-Ricci symmetric Para-Sasakiam manifold P. 

  Körpinar, Talat; Turhan, Essin (SABER-ULA, Venezuela, 2011-06-30)

  In this paper, we study evolute curve of biharmonic curve in the special three-dimensional Á¡Ricci symmetric para-Sasakian manifold P. We characterize evolute curve of biharmonic curve in terms of curvature and torsion of ...

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